EP2860328B1 - Steuerungs- und betriebsverfahren und system für eine schwimmbad filtrieranlage - Google Patents

Steuerungs- und betriebsverfahren und system für eine schwimmbad filtrieranlage Download PDF

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Publication number
EP2860328B1
EP2860328B1 EP13382405.2A EP13382405A EP2860328B1 EP 2860328 B1 EP2860328 B1 EP 2860328B1 EP 13382405 A EP13382405 A EP 13382405A EP 2860328 B1 EP2860328 B1 EP 2860328B1
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EP
European Patent Office
Prior art keywords
valve
angular position
pump
operating
stem
Prior art date
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Active
Application number
EP13382405.2A
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English (en)
French (fr)
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EP2860328A1 (de
Inventor
Gabriel Alejandro Bica Caffera
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Gidelmar SA
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Gidelmar SA
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Priority to ES13382405.2T priority Critical patent/ES2660242T3/es
Priority to EP13382405.2A priority patent/EP2860328B1/de
Publication of EP2860328A1 publication Critical patent/EP2860328A1/de
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H4/00—Swimming or splash baths or pools
    • E04H4/12—Devices or arrangements for circulating water, i.e. devices for removal of polluted water, cleaning baths or for water treatment
    • E04H4/1209—Treatment of water for swimming pools
    • E04H4/1245—Recirculating pumps for swimming pool water
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
    • F04D15/0066—Control, e.g. regulation, of pumps, pumping installations or systems by changing the speed, e.g. of the driving engine
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/42—Nature of the water, waste water, sewage or sludge to be treated from bathing facilities, e.g. swimming pools
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00—Apparatus for treatment of water, waste water or sewage
    • C02F2201/002—Construction details of the apparatus
    • C02F2201/005—Valves
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/005—Processes using a programmable logic controller [PLC]
    • C02F2209/008—Processes using a programmable logic controller [PLC] comprising telecommunication features, e.g. modems or antennas

Definitions

  • the present invention relates to a control and operating method and system for a filtration installation.
  • the system comprises a hydraulic pump for propelling a water flow, a control device for controlling the speed of said pump and a multiport valve provided with rotational control means for operating the stem of the valve according to which the valve is able to adopt at least two operating positions.
  • the invention also relates to an easy-to-assemble assembly for water filtration that can be adapted to any filtration installation comprising a multiport valve provided with rotational control means for operating the stem of the valve.
  • the user In swimming pool filtration installations the user is known to manually select through a multiport valve the operation that must be performed at all times, such as operations for filtration, washing the filter, rinsing the filter, draining the swimming pool, circulating water without filtering and valve closure, for example.
  • the user or operator of the swimming pool filtration installation must choose which operation have to be performed according to the swimming pool water conditions, and to that end the user/operator must rotate a selector lever of the valve to a predetermined position, said lever constituting rotational control means that move the stem of the valve to regulate water distribution by opening and closing a plurality of inlets and outlets of the valve according to the chosen operation.
  • the user in addition to selecting the operation to be performed by means of rotating the lever of the valve, the user must also take care of adjusting the speed of the hydraulic pump of the filtration installation to a specific value according to the operation to be performed. For example, to wash or rinse the filter, the rotational speed of the pump must be greater than the speed required for the filtering operation, and when the valve closure operation is required, the pump must be stopped.
  • said pumps are commonly equipped with a control device for controlling its speed, through which the user selects from among pre-established values the speed at which the pump must rotate for the filtering operation selected in the valve.
  • the document WO2011/026184 discloses an assembly for water filtration in swimming pool installations, comprising a multiport valve provided with rotational control means for operating the stem of the valve for maneuverability of the valve in adopting at least two operating solutions, and the assembly further comprising a hydraulic pump for propelling a water flow; and also the document EP0992685 discloses a system with detections means and a different wireless emitter and receiver.
  • a multiport valve provided with rotational control means for operating the stem of the valve for maneuverability of the valve in adopting at least two operating solutions, and the assembly further comprising a hydraulic pump for propelling a water flow
  • EP0992685 discloses a system with detections means and a different wireless emitter and receiver.
  • an assembly for water filtration in swimming pool installations comprising a multiport valve provided with rotational control means for operating the stem of the valve for maneuverability of the valve in adopting at least two operating positions and further comprising a hydraulic pump for propelling a water flow, is disclosed.
  • the assembly for water filtration in swimming pool installations is characterized in that it comprises:
  • the detection means comprises a magnetometer and/or an accelerometer, and interpretation means providing the instantaneous angular position or information depending on the instantaneous angular position of the stem of the valve to the emitter.
  • the hydraulic pump comprises a control device for controlling its speed in which the receiver is arranged.
  • the detection means comprises a magnetometer and/or an accelerometer, and interpretation means providing the instantaneous angular position or information depending on the instantaneous angular position of the stem of the valve to the emitter.
  • control means of the multiport valve is configured for internally housing the detection means for detecting the angular position of the stem of the multiport valve and the emitter for emitting the angular position or information relating to the angular position.
  • the multiport valve is a six-way valve with six corresponding operating positions.
  • control device for controlling the speed of the pump comprises a memory unit storing predetermined relationships between the angular position of the multiport valve and the operating cycles and/or the rotational speed of the pump.
  • the hydraulic pump is a centrifugal pump, in which its operating cycles are determined by the rotational speed of frequency thereof.
  • a control and operating system for a swimming pool filtration installation comprising an assembly for water filtration according to any of claims 1 to 7 is disclosed.
  • a control and operating method for a swimming pool filtration installation in a system according to claim 8 is disclosed. The method comprises the following steps:
  • step a) for determining the angular position an initialization operation is performed in which corresponding working operating positions and/or corresponding rotational speeds are assigned to predetermined angular positions of the stem of the valve.
  • step c when an angular position or information relating to the angular position that does not coincide with any of the predetermined angular positions of the stem of the valve is received in step c), a shut-down operating cycle of the pump and/or a nil rotational speed is determined, and pump shut-down is actuated in step d).
  • the position of the stem of the valve is determined in step a) from a magnetometer and/or an accelerometer.
  • sending and receiving the angular position or information relating to same in steps b) and c) is performed wirelessly.
  • Fig. 1 shows a control and operating system 10 for a swimming pool filtration installation, in which there can be distinguished, among others, a hydraulic pump 1 for propelling a water flow, a control device 2 for controlling the speed of said pump 1, also commonly referred to as variable frequency drive, a pre-filter 8, a reservoir or tank 9, and a multiport valve 3 provided with rotational control means 31 configured as a rotational selector lever to move the stem of the valve 3 so that it adopts a specific operating position.
  • the specific operating positions for the valve 3 depicted in the drawings which is a six-way valve 3, are: operating position for filtration, for washing the filter, for rinsing the filter, for draining the swimming pool, for circulation without filtration and for valve closure.
  • control system 10 comprises detection means 4, seen in Figs. 4 and 7 , arranged in the multiport valve 3 that detect at least the angular position of the stem of the valve 3 with respect to a reference plane, preferably a horizontal plane; an emitter 5 for emitting the angular position or information relating to said angular position; and a receiver 6 for receiving the information emitted by the emitter 5, capable of generating a command on the control device 2 for controlling the speed of the pump 1 to operate the pump 1 in a specific operating cycle and/or at a specific rotational speed.
  • Both the emitter 5 and the receiver 6 are wireless devices, the emitter 5 being arranged in the vicinity of the rotational selector lever of the valve 3, and the receiver 6 being arranged in the control device 2 for controlling the speed of the pump.
  • the emitter 5 will send said angular position or information about same to the receiver 6 and the latter will order the control device 2 to operate the pump 1 at the speed suitable for the filtration operating cycle, in this case equal to 1120 rpm or 20 Hz. If after a time the user of the swimming pool filtration installation wants to wash the filter, he/she will rotate the rotational control means 31 in the form of a lever of the valve 3 ninety degrees.
  • the detection means 4 will detect that the angular position of the stem of the valve 3 is in the position for washing the filter, the emitter 5 will transmit said position or information to the receiver 6 which will in turn generate the command so that the control device 2 operate the pump 1 at the speed suitable for the washing operating cycle of the filter, in this case equal to 2800 rpm or 20 Hz.
  • Work cycles of the pump 1 can thus be automated, achieving maximum operating efficiency and simplicity because the pump 1 starts operating in the required work cycle according to the needs of the installation generated from the selection of the user through the rotation of the selector lever of the valve 3.
  • the hydraulic pump 1 and the control device 2 for controlling its speed can be coupled to one another forming a compact pumping unit together with a high capacity pre-filter 8 and suction and discharge fittings to be connected to the pipes of the filtration systems, the pumping unit being provided with a common support base, as shown in Fig. 2 .
  • the pump 1 is a single-stage suction centrifugal pump designed for recirculating water in domestic or community swimming pool systems.
  • the receiver 6 is arranged in the control device 2.
  • control device 2 comprises a memory unit storing predetermined relationships between the angular position of the valve 3, that of its stem, and the operating cycles and/or the rotational speed of the pump 1, such that each detected predetermined angular position translates into a rotational speed of the pump 1.
  • the detection means 4 preferably comprises a magnetometer, an accelerometer or both at the same time, although it can be formed by other similar components capable of detecting the angular position of the stem of the valve 3 (including inclination with respect to a horizontal plane). Furthermore, the detection means also comprises interpretation means providing the instantaneous angular position or information depending on the instantaneous angular position of the valve 3 to the emitter 5.
  • the multiport valve 3 is preferably a six-way valve, capable of adopting a series of operating positions according to the rotation the user applies to the rotational control means 31, because the latter in turn move the stem of the valve 3, adopting a corresponding angular position corresponding to the opening and closing of a plurality of inlets and outlets of the valve 3 for the passage of liquid.
  • the depicted valve 3 is configured so that the rotational control means 31 can adopt six stable predetermined positions according to the rotation of the stem of the valve 3, corresponding to the six operating positions for filtration, for washing the filter, for rinsing the filter, for draining the swimming pool, for circulation without filtration and for valve closure.
  • These six operating positions differ from one another angularly by 60°, as can be deduced from the radial notches 33 seen in the upper face of the body of the valve 3, said notches being configured for fitting the front projection 34 with which the rotational control means 31 is provided.
  • the upper face of the body of the valve 3 will have indications that identify the correspondence between each predetermined angular position and each operating position, so that the user can easily know how far to rotate the rotational control means 31 configured as a selector lever if he/she wants the system for the swimming pool filtration installation to carry out a specific operation.
  • the user For the user to select the required operation, he/she will have to press the selector lever down and rotate it to notch 33 associated with the indication identifying the desired operation, after which he/she may release the selector lever and the projection 34 will remain inserted in the chosen notch 33.
  • the system 10 is designed to detect any manipulation of the valve 3, such that when the detection means 4 detects that the angular position of the stem of the valve 3 does not correspond with any of the six predetermined positions assigned to the previously mentioned operating positions, for example an intermediate position between two of the predetermined positions, the emitter 5 will send said angular position to the receiver 6, and the latter will generate a command on the control device 2 for controlling the speed of the pump so that the pump 1 adopts a shut-down operating cycle, i.e., a command whereby the rotational speed of the pump will become nil. Water hammers and other problems in the installation are thus prevented.
  • both Fig. 3 and Fig. 5 correspond to a valve 3 provided with the detection means 4 and with the emitter 5 for operation thereof as part of the control and operating system 10, the difference is based on the location thereof with respect to the valve 3. Therefore, in the valve of Fig. 3 the rotational control means 31, in the form of a selector lever, is configured for internally housing the detection means 4 for detecting the angular position of the stem of the valve 3 and the emitter 5, as observed in Fig. 4 .
  • the control means 31 having inside the front end part (the part closest to the projection 34) a housing with a flat base on which there is placed a circuit board in which circuit board the detection means 4 and the emitter 5 are arranged.
  • the housing is closed at the top by a cover 32, the components located inside the front part of the selector lever of the valve 3 thus being protected.
  • a device 70 such as the one depicted separately in Figs. 6 and 8 is coupled on the outside of the rotational control means 31.
  • the device 70 comprises a support 7 on which there is arranged the circuit board in which the detection means 4 and the emitter 5 are arranged, and an upper cover 72 that can be coupled to the support 7.
  • the support 7 is provided with detachable fixing means 71, such as securing bands or a belt for example, whereby the device 70 can be easily coupled to the outside of any selector lever of a valve 3.
  • Any swimming pool filtration installation can thus benefit from the control and operation of a system 10 such as the one described above because it would be enough to simply equip the already existing system with a device 70 such as the one described above and with pumping equipment such as that depicted in Fig. 2 , i.e., comprising a hydraulic pump 1 with the ability to change its speed, for example, by means of coupling to a control device 2 for controlling the speed, and a wireless receiver 6 that receives the information emitted by the emitter 5 of the device 70.
  • a device 70 such as the one described above and with pumping equipment such as that depicted in Fig. 2 , i.e., comprising a hydraulic pump 1 with the ability to change its speed, for example, by means of coupling to a control device 2 for controlling the speed, and a wireless receiver 6 that receives the information emitted by the emitter 5 of the device 70.
  • control and operating system 10 described above allows automating the swimming pool filtration system, the detection of the position selected by the user in the valve 3 and the subsequent power consumption savings while filtering the water of the swimming pool, because the pump 1 is operated at all times according to the operation required by the user, working at the corresponding suitable speed, and if the filtering operation to be performed cannot be determined, the pump 1 stops without wasting power, thereby reducing water hammers and other typical problems in swimming pool installations.

Claims (13)

  1. Baugruppe zum Filtrieren von Wasser in Schwimmbadanlagen, umfassend ein Mehrwegventil (3), welches mit drehbaren Steuermitteln (31) zum Betreiben eines Schaftes des genannten Ventils (3) versehen ist, für die Mänovrierbarkeit des Ventils beim Annehmen von mindestens zwei Betriebsstellungen, eine Hydraulikpumpe (1) zum Antreiben eines Wasserstroms; und wobei die Baugruppe dadurch gekennzeichnet ist, dass sie Folgendes umfasst:
    Erfassungsmittel (4), welche in der Lage sind mindestens die Winkellage des Schaftes des Mehrwegventils (3) in Bezug auf eine Bezugsebene, vorzugsweise eine Horizontalebene, zu erfassen, und einen drahtlosen Emitter (5) zum Aussenden der Winkellage oder Auskunft bezüglich der von den Erfassungsmitteln (4) erfassten Winkellage, wobei die Erfassungsmittel und der Emitter auf einem und demselben Träger (7) montiert sind, welcher mit lösbaren Befestigungsmitteln (71) versehen ist, für dessen Kopplung an das Äußere der drehbaren Steuermittel (31) des Mehrwegventils (3); und
    einen drahtlosen Empfänger (6) zum Empfangen der Winkellage oder der von dem Emitter (5) ausgesendeten Auskunft, welcher in der Lage ist einen Befehl zu erzeugen, zum Betreiben der Pumpe in einem spezifischen Betriebszyklus und/oder bei einer spezifischen Drehgeschwindigkeit der Pumpe.
  2. Baugruppe nach Anspruch 1, wobei die Erfassungsmittel (4) ein Magnetometer und/oder ein Akzelerometer, und Auswertemittel, welche die momentane Winkellage oder Auskunft in Abhängigkeit der momentanen Winkellage des Schaftes des Ventils (3) für den Emitter (5) bereitstellen, umfassen.
  3. Baugruppe nach Anspruch 1 oder 2, wobei die Baugruppe eine Steuervorrichtung (2) umfasst, zum Steuern der Geschwindigkeit der Hydraulikpumpe (1), in welcher der Empfänger (6) angeordnet ist.
  4. Baugruppe nach einem der vorhergehenden Ansprüche, wobei die drehbare Steuermittel (31) des Mehrwegventils (3) dazu ausgebildet sind, die Erfassungsmittel (4) zum Erfassen der Winkellage des Schaftes des Mehrwegventils (3) und den Emitter (5) zum Aussenden der Winkellage oder Auskunft bezüglich der Winkellage in ihrem Inneren aufzunehmen.
  5. Baugruppe nach einem der vorhergehenden Ansprüche, wobei das Mehrwegventil (3) ein Sechswegeventil mit sechs entsprechenden Betriebsstellungen ist.
  6. Baugruppe nach einem der vorhergehenden Ansprüche, wobei die Steuervorrichtung (2) eine Speichereinheit umfasst, welche vorbestimmte Verhältnisse zwischen der Winkellage des Schaftes des Mehrwegventils (3) und den Betriebszyklen und/oder der Drehgeschwindigkeit der Pumpe speichert.
  7. Baugruppe nach einem der vorhergehenden Ansprüche, wobei die Hydraulikpumpe (1) eine Zentrifugalpumpe ist, in welcher die Betriebszyklen durch die Drehgeschwindigkeit oder Frequenz derselben bestimmt werden.
  8. Steuerungs- und Betriebssystem (10) für eine Schwimmbad-Filtrieranlage, umfassend eine Baugruppe zum Filtrieren von Wasser nach einem der Ansprüche 1 bis 7.
  9. Steuerungs- und Betriebsverfahren für eine Schwimmbad-Filtrieranlage, in einem System (10) nach Anspruch 8, umfassend die folgenden Schritte:
    a) das Bestimmen mindestens der Winkellage des Schaftes des Mehrwegventils (3) in Bezug auf eine Bezugsebene, vorzugsweise eine Horizontalebene;
    b) das automatische Senden der genannten Winkellage oder Auskunft bezüglich derselben zu einer Steuervorrichtung (2) zum Steuern der Geschwindigkeit der Pumpe;
    c) das Empfangen der genannten Lage oder Auskunft und das Bestimmen daraus eines Betriebszyklus und/oder einer Drehgeschwindigkeit; und
    d) das Betreiben der Pumpe im zuvor bestimmten Betriebszyklus und/oder bei der zuvor bestimmten Drehgeschwindigkeit.
  10. Verfahren nach Anspruch 9, dadurch gekennzeichnet, dass vor Schritt a) zum Bestimmen der Winkellage ein Initialisierungsvorgang durchgeführt wird, in welchem entsprechende Arbeitsbetriebsstellungen und/oder entsprechende Drehgeschwindigkeiten vorbestimmten Winkellagen des Schaftes des Ventils (3) zugeordnet werden.
  11. Verfahren nach Anspruch 9, dadurch gekennzeichnet, dass wenn eine Winkellage oder Auskunft bezüglich der Winkellage in Schritt c) empfangen wird, welche nicht mit einem der vorbestimmten Winkellagen des Schaftes des Ventils (3) übereinstimmt, ein Betriebsstilllegungszyklus der Pumpe und/oder eine Nulldrehgeschwindigkeit bestimmt wird, und in Schritt d) die Stilllegung der Pumpe ausgelöst wird.
  12. Verfahren nach einem der Ansprüche 9 bis 11, dadurch gekennzeichnet, dass die Lage des Schaftes des Ventils (3) in Schritt a) von einem Magnetometer und/oder einem Akzelerometer bestimmt wird.
  13. Verfahren nach einem der Ansprüche 9 bis 12, dadurch gekennzeichnet, dass das Senden und das Empfangen der Winkellage oder Auskunft bezüglich derselben in den Schritten b) und c) drahltlos durchgeführt wird.
EP13382405.2A 2013-10-14 2013-10-14 Steuerungs- und betriebsverfahren und system für eine schwimmbad filtrieranlage Active EP2860328B1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
ES13382405.2T ES2660242T3 (es) 2013-10-14 2013-10-14 Procedimiento y sistema de control y accionamiento para una instalación de filtración para piscinas
EP13382405.2A EP2860328B1 (de) 2013-10-14 2013-10-14 Steuerungs- und betriebsverfahren und system für eine schwimmbad filtrieranlage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP13382405.2A EP2860328B1 (de) 2013-10-14 2013-10-14 Steuerungs- und betriebsverfahren und system für eine schwimmbad filtrieranlage

Publications (2)

Publication Number Publication Date
EP2860328A1 EP2860328A1 (de) 2015-04-15
EP2860328B1 true EP2860328B1 (de) 2017-11-22

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Application Number Title Priority Date Filing Date
EP13382405.2A Active EP2860328B1 (de) 2013-10-14 2013-10-14 Steuerungs- und betriebsverfahren und system für eine schwimmbad filtrieranlage

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ES (1) ES2660242T3 (de)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5730861A (en) * 1996-05-06 1998-03-24 Sterghos; Peter M. Swimming pool control system
EP0992685A3 (de) * 1998-10-07 2001-01-31 GARDENA Kress + Kastner GmbH Elektronische Durchflussregelung einer Haushaltspumpe
US7845913B2 (en) * 2004-08-26 2010-12-07 Pentair Water Pool And Spa, Inc. Flow control
WO2011026184A1 (en) * 2009-09-02 2011-03-10 Poolrite Research Pty Ltd A filtration unit system
EP2412981B1 (de) * 2010-07-30 2016-05-04 Grundfos Management A/S Pumpensystem

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

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ES2660242T3 (es) 2018-03-21
EP2860328A1 (de) 2015-04-15

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